diff --git a/_includes/denbi_survey.html b/_includes/denbi_survey.html
new file mode 100644
index 0000000..0f631f3
--- /dev/null
+++ b/_includes/denbi_survey.html
@@ -0,0 +1,12 @@
+{% comment %}
+  Call-to-action for the mandatory de.NBI user survey (de.NBI Service Guidelines).
+  The survey link is specific to the SeqAn service within the CIBI center.
+{% endcomment %}
+<aside class="denbi-survey">
+  <p class="denbi-survey-text">
+    This is an approved <a href="https://www.denbi.de/">de.NBI</a> service.
+    Please help us improve by taking our short user survey.
+  </p>
+  <a class="button button-lightgray denbi-survey-button"
+     href="https://www.surveymonkey.de/r/denbi-service?sc=cibi&amp;tool=seqan">Take the survey</a>
+</aside>
diff --git a/_pages/06_contact.md b/_pages/06_contact.md
index 4481a24..687f198 100644
--- a/_pages/06_contact.md
+++ b/_pages/06_contact.md
@@ -22,3 +22,5 @@ Algorithmische Bioinformatik
 * Phone: +49 (0)30 838-75237
 * Email: [support@seqan.de](mailto:support@seqan.de)
 * Web: [www.seqan.de](https://www.seqan.de)
+
+{% include denbi_survey.html %}
diff --git a/_pages/index.md b/_pages/index.md
index 0aa6ad9..4d34991 100644
--- a/_pages/index.md
+++ b/_pages/index.md
@@ -64,3 +64,5 @@ developer and user meetings and providing online training materials.
 Learn more about the [CIBI](https://www.denbi.de/network/center-for-integrative-bioinformatics-cibi) center and its
 [portfolio](https://www.denbi.de/network/center-for-integrative-bioinformatics-cibi/21-about/508-portfolio-of-center-for-integrative-bioinformatics-cibi)
 to find the best solution for your data and your type of project.
+
+{% include denbi_survey.html %}
diff --git a/assets/css/style.scss b/assets/css/style.scss
index 0548ed9..3e74604 100644
--- a/assets/css/style.scss
+++ b/assets/css/style.scss
@@ -216,6 +216,36 @@ main {
   display: block;
 }
 
+// ====== de.NBI Survey ======
+.denbi-survey {
+  display: flex;
+  flex-flow: row wrap;
+  align-items: center;
+  justify-content: space-between;
+  gap: #{$spacing-unit * .5};
+
+  box-sizing: border-box;
+  margin-bottom: $spacing-unit;
+  padding: #{$spacing-unit * .5};
+  border: 1px solid $border-color-01;
+  border-left: 4px solid $seqan-color;
+}
+.denbi-survey-text {
+  flex: 1 1 260px;
+  margin-bottom: 0;
+}
+.denbi-survey-button {
+  flex: 0 0 auto;
+  white-space: nowrap;
+}
+
+@include media-query($on-palm) {
+  .denbi-survey-button {
+    width: 100%;
+    box-sizing: border-box;
+  }
+}
+
 // ====== Heading ======
 .heading-entries {
   display: flex;